645806608

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{2374289}}^1$

素因数の和:2374314

約数の個数: 20

約数和(自身を含む): 1324853820

約数和(自身を除く): 679047212

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 2374289, 4748578, 9497156, 18994312, 37988624, 40362913, 80725826, 161451652, 322903304, 645806608]

約数ペア:

[(1, 645806608), (2, 322903304), (4, 161451652), (8, 80725826), (16, 40362913), (17, 37988624), (34, 18994312), (68, 9497156), (136, 4748578), (272, 2374289)]